REHABILITATION OF
ANACOSTIA FREEWAY BRIDGES
OVER SOUTH CAPITOL STREET
REHABILITATION OF
ANACOSTIA FREEWAY BRIDGES
OVER SOUTH CAPITOL STREET
DECEMER 2019
Sunday, December 22 – Saturday, December 28, 2019
(Phase 2 Activity):








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Removed the existing bearing assemblies and core drilling for the proposed anchor bolts at pier 13, north bridge.
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Continued demolition of pedestrian sidewalk between piers 13 and 14 at the westbound portion of the East Capitol Street bridge.
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Drilled holes into deck between piers 10 and 11 for the installation of supports for demo shields and removal of existing scuppers.
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Worked on armored joints at piers 10 and 14.
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Installed sidewalk formwork and block outs for historical bridge rail at span 6 and striping sidewalk formwork at span 5.
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Removed support forms and demo shields for scuppers between piers 6 and 7.
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Striped the block out and outer edge at span 4.
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Removed one existing scupper and continued to layout epoxy coated reinforcement at span 6.
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Chipped deck concrete for proposed scuppers between piers 9 and 10 and removed the debris to the west abutment.
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Removed block-forms from the bridge sidewalk for the historic bridge railing base between piers 5 and 6.
Sunday, December 15 – Saturday, December 21, 2019
(Phase 2 Activity):








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Drilled the proposed bearing pedestal anchor bolts at pier 3, north bridge.
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Lowered the bridge at pier 1, north bridge/spans 1 and 2.
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Installed the elastomeric bearing pads under the sole plates prior to lowering the bridge.
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Grouted the anchor bolts at pier 1 and then completed installing the epoxy coated rebar for bearing pedestal at pier 3 north bridge.
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Chipped the parapet by hand at span 15 and installed sidewalk formwork.
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Removed existing scuppers.
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Installed sidewalk edge forms between piers 4 and 5.
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Installed timber formwork between the floor beams at pier 10 and pier 14 for installation of proposed armor joints.
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Milled existing concrete along the proposed sidewalk on the deck at span 14.
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Started clearing and removing construction materials, debris, and equipment from in front of the existing west abutment north bridge.
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Installed the demo shield under the proposed and existing bridge scuppers in span 8, north bridge.
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Placed thermal blankets on proposed bridge sidewalk between piers 3 and 5 for the prevention of frost on the forms and rebars.
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Installed additional bars under the existing scuppers that were removed.
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Reinforced bars for proposed sidewalk (north).
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Removed and striped wooden forms from bridge sidewalk between piers 1 and 2.
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Formed the curb portion of the bridge sidewalk at span 6.
Sunday, December 8 – Saturday, December 14, 2019
(Phase 2 Activity):








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Installed sidewalk formwork at span 13 and span 14.
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Removed the existing armor joint at pier 10, north bridge.
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Drilled for the proposed anchor bolts at pier 1 and completed striping and removing the formwork from the bearing pedestals at pier 4.
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Installed the elastomeric bearings prior to lowering the bridge at pier 4.
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Hand chipped parapet at span 13 and installed sidewalk formwork at span 12.
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Continued demolition of concrete from the bridge’s deck between piers 5 and 6 to remove existing scuppers.
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Jacked the existing bridge at pier 1 and removed the existing bearing assemblies.
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Installed 4 proposed bridge bearings at pier 1.
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Laid out epoxy coated reinforcement bars for proposed sidewalk north bridge at span 4 and installed epoxy coated rebars for the bridge sidewalk.
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Prepared for the bridge jacking operation at pier 3.
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Started installing the demo shield for the removal of the existing bridge scupper at span 7.
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Installed sidewalk edge forms between piers 4 and 5.
Sunday, December 1 – Saturday, December 7, 2019
(Phase 2 Activity):








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Installed epoxy coated rebar for the proposed bridge scuppers in spans 4 and 5.
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Drilled for the proposed anchor bolts in the proposed bearing pedestals at pier 14, north bridge.
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Demolition of the parapet continued at span 13, and hand chipping parapet at span 14.
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Removed the existing bridge cribbing at pier 3, north bridge.
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Removed the timber supports as well as the metal plates under the floor beams.
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Installed one proposed bridge scupper in span 1 adjacent to the west abutment.
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Installed sidewalk formwork at span 12.
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Installed epoxy coated rebars for scupper prior to placing the concrete.
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Stripped and removed the timber formwork from pier 14.
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Continued and completed drilling for the proposed bearing pedestal rebar to be installed in the new bearing pedestals at pier 4, north bridge.
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Milled the concrete deck for the proposed sidewalk at spans 12 and 13. (sidewalk forming was also continued).
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Removed concrete from base of barrier wall between pier 11 and 13.
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Cleaned debris from bridge sidewalk forms and rebars between piers 1 and 3.
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Assembled and installed wooden forms for proposed bridge side walk between piers 13 and 14.